<!DOCTYPE html>
<html>

<head>
  <title></title>
  <style>
    * {
      padding: 0;
      margin: 0;
    }

    ul {
      border: 1px solid black;
      padding-top: 40px;
      height: 80px;
      overflow: hidden;
    }

    ul>li {
      float: left;
      border: 1px solid red;
      height: 50px;
      width: 100px;
      margin-left: 20px;
      list-style: none;
      text-align: center;
      line-height: 50px;
    }

    button {
      width: 100px;
      height: 50px;
    }
  </style>
</head>

<body>
  <!-- 信息管理：
    1.表单的录入+按钮(点击以后把数据插入到下方的表格里去)
    2.表格展示每次录入的信息+每一条有删除 -->
  <div>
    <ul>
      <li>1</li>
      <li>2</li>
      <li>3</li>
      <li>4</li>
    </ul>
  </div>
  <button>保存</button>
  <script>

  </script>
</body>

</html>